Noun. 1. synergy-the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects. synergism.
Cayenne pepper cranks the sauce up to 800 Scoville units of heat compared to Taco Bell's Fire Sauce at 500 Scoville units, which makes this the hottest stuff you can get at the chain. Now, with this secret formula, you can adjust the heat up or down to your preference just by playing with the amount of cayenne you add.
The Scoville Heat Scale for Chilli Peppers and Hot Sauces from ChilliWorld. This table gives a comparison of the heat in fresh chillies of different varieties ranks them with a number of popular chilli sauces.